The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 16, 2021

Filed:

Mar. 16, 2020
Applicant:

Halliburton Energy Services, Inc., Houston, TX (US);

Inventors:

Chesnee Lae Davis, Spring, TX (US);

Philip Wayne Livanec, Dayton, TX (US);

William Walter Shumway, Spring, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/035 (2006.01); C09K 8/575 (2006.01); C09K 8/502 (2006.01); C09K 8/565 (2006.01); C09K 8/57 (2006.01); C09K 8/03 (2006.01); C09K 8/504 (2006.01); C09K 8/506 (2006.01); C09K 8/12 (2006.01); C09K 8/36 (2006.01);
U.S. Cl.
CPC ...
C09K 8/035 (2013.01); C09K 8/03 (2013.01); C09K 8/032 (2013.01); C09K 8/12 (2013.01); C09K 8/36 (2013.01); C09K 8/502 (2013.01); C09K 8/506 (2013.01); C09K 8/5045 (2013.01); C09K 8/565 (2013.01); C09K 8/572 (2013.01); C09K 8/575 (2013.01);
Abstract

A method including providing a drilling fluid that comprises a base fluid, a weighting agent, and a sag stability enhancer, wherein the sag stability enhancer comprises polyethylene glycol (PEG) having a molecular weight of greater than or equal to about 200 g/mol; and placing the drilling fluid in a subterranean formation via a wellbore penetrating the subterranean formation. A method including forming a fluid comprising a base fluid, a weighting agent, and from about 0.5 ppb (1.4 kg/m) to about 30 ppb (85.5 kg/m) of a sag stability enhancer, wherein the sag stability enhancer comprises a glycol; and introducing the fluid into at least a portion of a well. A drilling fluid containing a base fluid, a weighting agent, and a sag stability enhancer comprising polyethylene glycol (PEG) having a molecular weight of greater than or equal to about 200 g/mol.


Find Patent Forward Citations

Davis, Chesnee. (2021). Additive to enhance sag stability of drilling fluid (U.S. Patent No. 10947434). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10947434

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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